you can't pump up your account in just a few days. spamming and posting 30 posts a day will certainly not help, you are much closer to getting a spam badge.
the maximum you can get in one day is 1 activity point in bi-weekly periods. therefore, 14 days are needed for the progress of 14 activities.
You can learn more in this thread:
FAQ: Everything you need to know about forum 'activity, account ranks and merit
you should also read and understand the basic rules of the forum. Unofficial list of (official) Bitcointalk.org rules, guidelines, FAQ
you may have noticed that some of your posts have been deleted, I'll tell you the reason why this happened.